If the dogs leg is as badly broken as you claim, you need to crate him up before he causes more damage. Call Animal Control from the neighbors home and have them come pick up the dog. Do what is right and humane. Keeping the dog untreated is cruel.

The OP spins a lot of tall tales. According to their posts in recent months, they have 2 Mustangs, 3 Appaloosas, 4 Morgans, 1 Arabian, 1 Thoroughbred and other assorted horses. They claim to be 17 years old. They claim their horses are 15.9 hands and...

Since you "accidently" leave your dog outside unattended when she is in season, do her a favor and have her spayed. Then you won't have to worry about her possibly being mated with a larger dog, risking her health and her life. Be responsible.

He looks like a mix, maybe some Shih-tzu. Did you see both parents? What does your vet say about the puppy, he or she would be able to tell you more about the possible breeds than we can see with 2 pictures.